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12031322230 = 255872049629
BaseRepresentation
bin10110011010001111…
…10110100001110110
31011001111001111101001
423031013312201312
5144120004302410
65305504553514
7604101360124
oct131507664166
934044044331
1012031322230
115114405514
1223b932289a
1311997b05a5
14821c52914
154a63ab33a
hex2cd1f6876

12031322230 has 16 divisors (see below), whose sum is σ = 21693283920. Its totient is φ = 4804328032.

The previous prime is 12031322167. The next prime is 12031322231. The reversal of 12031322230 is 3222313021.

It is a junction number, because it is equal to n+sod(n) for n = 12031322198 and 12031322207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031322231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018945 + ... + 1030684.

It is an arithmetic number, because the mean of its divisors is an integer number (1355830245).

Almost surely, 212031322230 is an apocalyptic number.

12031322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031322230 is a deficient number, since it is larger than the sum of its proper divisors (9661961690).

12031322230 is a wasteful number, since it uses less digits than its factorization.

12031322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050223.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12031322230 its reverse (3222313021), we get a palindrome (15253635251).

The spelling of 12031322230 in words is "twelve billion, thirty-one million, three hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 587 1174 2935 5870 2049629 4099258 10248145 20496290 1203132223 2406264446 6015661115 12031322230